JP4512137B2 - 液晶表示装置バックライトユニット用導光板及びこれを用いた液晶表示装置用バックライトユニット - Google Patents
液晶表示装置バックライトユニット用導光板及びこれを用いた液晶表示装置用バックライトユニット Download PDFInfo
- Publication number
- JP4512137B2 JP4512137B2 JP2007535611A JP2007535611A JP4512137B2 JP 4512137 B2 JP4512137 B2 JP 4512137B2 JP 2007535611 A JP2007535611 A JP 2007535611A JP 2007535611 A JP2007535611 A JP 2007535611A JP 4512137 B2 JP4512137 B2 JP 4512137B2
- Authority
- JP
- Japan
- Prior art keywords
- prism
- guide plate
- light guide
- liquid crystal
- dot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 56
- 238000000926 separation method Methods 0.000 claims description 19
- 239000002131 composite material Substances 0.000 claims description 3
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 241001085205 Prenanthella exigua Species 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20040080677 | 2004-10-09 | ||
KR1020050084462A KR100661147B1 (ko) | 2004-10-09 | 2005-09-12 | 액정표시장치 백라이트 유닛용 도광판 및 이를 이용한액정표시장치용 백라이트 유닛 |
PCT/KR2005/003321 WO2006080710A1 (en) | 2004-10-09 | 2005-10-07 | Light guide plate for liquid crystal display back light units and liquid crystal display back light unit using the same |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008516391A JP2008516391A (ja) | 2008-05-15 |
JP4512137B2 true JP4512137B2 (ja) | 2010-07-28 |
Family
ID=36740689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007535611A Expired - Fee Related JP4512137B2 (ja) | 2004-10-09 | 2005-10-07 | 液晶表示装置バックライトユニット用導光板及びこれを用いた液晶表示装置用バックライトユニット |
Country Status (4)
Country | Link |
---|---|
US (1) | US7602551B2 (zh) |
JP (1) | JP4512137B2 (zh) |
CN (1) | CN1914549A (zh) |
WO (1) | WO2006080710A1 (zh) |
Families Citing this family (32)
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US6752505B2 (en) | 1999-02-23 | 2004-06-22 | Solid State Opto Limited | Light redirecting films and film systems |
KR20070035130A (ko) * | 2005-09-27 | 2007-03-30 | 삼성전자주식회사 | 도광판과, 이를 갖는 백라이트 어셈블리 및 표시장치 |
KR100903028B1 (ko) * | 2007-01-15 | 2009-06-18 | 제일모직주식회사 | 쐐기형 배면프리즘을 포함하는 액정표시장치 백라이트 유닛용 도광판 |
KR101318253B1 (ko) * | 2007-03-30 | 2013-10-18 | 삼성디스플레이 주식회사 | 도광판 및 이를 갖는 표시 장치 |
JP4878335B2 (ja) * | 2007-06-14 | 2012-02-15 | シチズン電子株式会社 | 導光板の製造方法、導光板及びバックライトユニット並びに表示装置 |
US7931396B2 (en) * | 2008-12-10 | 2011-04-26 | Sharp Kabushiki Kaisha | Backlight and display |
KR20100092757A (ko) * | 2009-02-13 | 2010-08-23 | 삼성전자주식회사 | 백라이트 어셈블리 및 도광판의 제조 방법 |
CN102102829A (zh) * | 2009-12-21 | 2011-06-22 | 富准精密工业(深圳)有限公司 | 发光二极管灯具 |
KR101708479B1 (ko) * | 2009-12-31 | 2017-03-09 | 삼성디스플레이 주식회사 | 도광판과 이를 포함하는 표시 장치 및 도광판 제조 방법 |
TWI412840B (zh) * | 2010-03-22 | 2013-10-21 | Au Optronics Corp | 光源模組 |
TWI413820B (zh) * | 2010-04-01 | 2013-11-01 | Young Lighting Technology Corp | 照明裝置與導光板 |
US9168864B2 (en) * | 2010-04-21 | 2015-10-27 | Federal-Mogul Ignition Company | Reduced profile lamp having enhanced illumination and method of construction thereof |
KR101243827B1 (ko) * | 2010-07-16 | 2013-03-18 | 엘지디스플레이 주식회사 | 도광판 및 이를 포함하는 백라이트유닛 |
US20120050874A1 (en) * | 2010-08-31 | 2012-03-01 | Skc Haas Display Films Co., Ltd. | Optical sheet having printed double-sided light guide plate |
JP5200077B2 (ja) * | 2010-09-13 | 2013-05-15 | 住友化学株式会社 | 光学シート、面光源装置及び透過型画像表示装置 |
KR101034312B1 (ko) * | 2010-11-29 | 2011-05-16 | 도레이첨단소재 주식회사 | 면광원장치용 도광판 및 이를 이용한 백라이트 유닛 |
KR101872348B1 (ko) | 2011-06-22 | 2018-06-29 | 삼성디스플레이 주식회사 | 백라이트용 도광판 및 그 제조 방법 |
JP5821361B2 (ja) * | 2011-07-25 | 2015-11-24 | セイコーエプソン株式会社 | 照明装置、液晶表示装置および電子機器 |
CN102495469B (zh) * | 2011-12-14 | 2014-03-26 | 深圳市华星光电技术有限公司 | 背光模块的导光板的选取方法 |
DE102012103997B4 (de) * | 2012-05-07 | 2023-07-27 | HELLA GmbH & Co. KGaA | Beleuchtungsvorrichtung für Fahrzeuge |
US9115865B1 (en) | 2012-06-19 | 2015-08-25 | Forever Gifts, Inc. | Lighting device having light-distributing void |
CN103672741A (zh) * | 2012-09-24 | 2014-03-26 | 深圳富泰宏精密工业有限公司 | 导光模块及电子装置 |
JP2014072019A (ja) * | 2012-09-28 | 2014-04-21 | Dainippon Printing Co Ltd | 導光板、及び面光源装置 |
WO2014065178A1 (ja) * | 2012-10-24 | 2014-05-01 | シャープ株式会社 | 導光板、バックライト装置及び液晶表示装置 |
CN104344331A (zh) * | 2013-07-26 | 2015-02-11 | 通用电气照明解决方案有限责任公司 | 改善的侧光式面板保护层 |
CN105938216A (zh) * | 2015-03-05 | 2016-09-14 | 瑞仪光电股份有限公司 | 导光组件与照明灯具 |
US10101521B1 (en) * | 2015-06-25 | 2018-10-16 | Advanced Technology, Inc. | Multilayered illuminated laminate system |
JP6380761B2 (ja) * | 2015-07-29 | 2018-08-29 | パナソニックIpマネジメント株式会社 | ライン照明表示装置および導光体 |
CN106568029B (zh) * | 2015-10-09 | 2020-10-30 | 瑞仪光电(苏州)有限公司 | 背光模组及显示装置 |
KR102654870B1 (ko) * | 2016-11-09 | 2024-04-05 | 삼성전자주식회사 | 3차원 영상 디스플레이용 백라이트 유닛 및 그 제조방법 |
CN109725379B (zh) * | 2018-11-23 | 2024-01-12 | 广东欧迪明光电科技股份有限公司 | 一种导光板及其布点方法 |
CN114442218A (zh) * | 2022-03-01 | 2022-05-06 | 苏州清越光电科技股份有限公司 | 一种导光板网点的制造方法 |
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DE69120349T2 (de) * | 1990-06-19 | 1996-10-31 | Enplas Corp | Gerät für eine flächenartige Lichtquelle |
US5414599A (en) * | 1991-09-09 | 1995-05-09 | Enplas Corporation | Surface light source device |
JP2692025B2 (ja) * | 1992-01-24 | 1997-12-17 | スタンレー電気株式会社 | 面状発光体装置 |
JP2723030B2 (ja) * | 1993-02-01 | 1998-03-09 | 東ソー株式会社 | バックライト |
EP0609816B1 (en) | 1993-02-01 | 1999-05-19 | Tosoh Corporation | Backlighting device |
JP3585509B2 (ja) * | 1993-03-15 | 2004-11-04 | 大日本印刷株式会社 | 透過型液晶表示装置 |
TW334523B (en) * | 1994-03-02 | 1998-06-21 | Toso Kk | Back light |
US5575549A (en) * | 1994-08-12 | 1996-11-19 | Enplas Corporation | Surface light source device |
JP3429387B2 (ja) * | 1995-03-31 | 2003-07-22 | 株式会社エンプラス | サイドライト型面光源装置 |
US6264343B1 (en) * | 1996-11-14 | 2001-07-24 | Seiko Epson Corporation | Input tablet and liquid crystal display device utilizing such tablet |
JP2000221329A (ja) * | 1999-01-29 | 2000-08-11 | Stanley Electric Co Ltd | 面光源装置 |
KR100383033B1 (ko) * | 1999-11-13 | 2003-05-09 | 전자부품연구원 | 표시 장치용 백라이트 장치 |
JP2001228474A (ja) * | 2000-02-18 | 2001-08-24 | Mitsubishi Chemicals Corp | 導光体およびバックライト |
KR100432438B1 (ko) * | 2001-01-18 | 2004-05-22 | 주식회사 송산 | 빛을 회절 및 확산시키는 프리즘 디퓨저 |
JP4049624B2 (ja) * | 2001-07-27 | 2008-02-20 | 株式会社エンプラス | 面光源装置、画像表示装置及び導光板 |
TWI273291B (en) * | 2002-12-17 | 2007-02-11 | Hon Hai Prec Ind Co Ltd | Surface light source and light guide plate used therein |
KR100692203B1 (ko) * | 2003-01-23 | 2007-03-09 | 제일모직주식회사 | 도광판, 이의 제조 방법, 이를 이용한 백라이트 어셈블리및 이를 이용한 액정표시장치 |
US20060133113A1 (en) * | 2004-12-16 | 2006-06-22 | Main Source Technology Co., Ltd. | Backlight module |
KR101172253B1 (ko) * | 2005-05-10 | 2012-08-08 | 엘지디스플레이 주식회사 | 액정표시장치용 백라이트 유닛 |
-
2005
- 2005-10-07 CN CNA2005800017105A patent/CN1914549A/zh active Pending
- 2005-10-07 JP JP2007535611A patent/JP4512137B2/ja not_active Expired - Fee Related
- 2005-10-07 WO PCT/KR2005/003321 patent/WO2006080710A1/en active Application Filing
-
2007
- 2007-04-09 US US11/783,319 patent/US7602551B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1914549A (zh) | 2007-02-14 |
WO2006080710A1 (en) | 2006-08-03 |
US20070189040A1 (en) | 2007-08-16 |
JP2008516391A (ja) | 2008-05-15 |
US7602551B2 (en) | 2009-10-13 |
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